public void SetAlteration(char note, NoteAlterationType newAlterationType)
{
switch (note)
{
case 'A':
A = newAlterationType;
return;
case 'B':
B = newAlterationType;
return;
case 'C':
C = newAlterationType;
return;
case 'D':
D = newAlterationType;
return;
case 'E':
E = newAlterationType;
return;
case 'F':
F = newAlterationType;
return;
case 'G':
G = newAlterationType;
return;
}
}
public Alterations()
{
A = NoteAlterationType.Natural;
B = NoteAlterationType.Natural;
C = NoteAlterationType.Natural;
D = NoteAlterationType.Natural;
E = NoteAlterationType.Natural;
F = NoteAlterationType.Natural;
G = NoteAlterationType.Natural;
}
public NoteAlterationType GetAlteration(Note note)
{
if (note.Pitch == null)
{
return(NoteAlterationType.Natural);
}
var proposedNoteAlteration = Alterations.IntToAlteration(note.Pitch.Alter);
var naturalKeyAlteration = Alterations.CreateFromFifths(_currentKey.Fifths).ForNote(note.Pitch.Step);
var currentKeyAlteration = _alterations.ForNote(note.Pitch.Step);
//Do nothing if natural
if (currentKeyAlteration == proposedNoteAlteration)
{
return(NoteAlterationType.Natural);
}
NoteAlterationType newAlterationType = NoteAlterationType.Natural;
switch (note.Pitch.Alter - Alterations.AlterationToInt(currentKeyAlteration))
{
case -2:
newAlterationType = NoteAlterationType.DoubleFlat;
break;
case -1:
newAlterationType = NoteAlterationType.Flat;
break;
case 0:
newAlterationType = NoteAlterationType.Natural;
break;
case 1:
newAlterationType = NoteAlterationType.Sharp;
break;
case 2:
newAlterationType = NoteAlterationType.DoubleSharp;
break;
}
if (note.Pitch.Alter == 0)
{
newAlterationType = NoteAlterationType.Natural;
}
_alterations.SetAlteration(note.Pitch.Step, newAlterationType);
if (note.Pitch.Alter == 0)
{
return(NoteAlterationType.Neutral);
}
return(newAlterationType);
}
public static int AlterationToInt(NoteAlterationType type)
{
switch (type)
{
case NoteAlterationType.DoubleFlat: return(-2);
case NoteAlterationType.Flat: return(-1);
case NoteAlterationType.Natural: return(0);
case NoteAlterationType.Sharp: return(1);
case NoteAlterationType.DoubleSharp: return(2);
}
return(0);
}
private void AddAlteration(Note note, double noteTime, double yCoord)
{
NoteAlterationType type = _keyRenderHelper.GetAlteration(note);
Type glyphType;
switch (type)
{
case NoteAlterationType.Neutral:
glyphType = typeof(NaturalGlyph);
break;
case NoteAlterationType.DoubleFlat:
glyphType = typeof(DoubleFlatGlyph);
break;
case NoteAlterationType.Flat:
glyphType = typeof(FlatGlyph);
break;
case NoteAlterationType.Sharp:
glyphType = typeof(SharpGlyph);
break;
case NoteAlterationType.DoubleSharp:
glyphType = typeof(DoubleSharpGlyph);
break;
default:
return;
}
TextBlock tb = _renderHelper.Glyphs.GetGlyph(glyphType, ScoreLayoutDetails.DefaultAlterationScaling);
_renderHelper.AddItemToRender(noteTime, tb, yCoord - tb.BaselineOffset, ScoreLayoutDetails.DefaultNoteHeight, 0,
RenderItemType.Alteration, 0);
}
